Cannot complete the install because one or more required items could not be found. Software being installed: Marketplace Client 1.5.1.v20160929-1432 (org.eclipse.epp.mpc.feature.group 1.5.1.v20160929-1432) Missing requirement: Marketplace Client 1.5.1.v20160929-1432 (org.eclipse.epp.mpc.feature.group 1.5.1.v20160929-1432) requires 'org.eclipse.equinox.p2.discovery.feature.feature.group [1.0.0.v201004,2.0.0)' but it could not be found

What other repositories need to be added, and which plugins need to be minimally installed?